code: def test_none_seeding():
      seeds = DICT_SPACE.seed(None)
      assert len(seeds) == 4 and all(
          isinstance(seed, int) for seed in seeds
      )
  
file_path: gym/tests/spaces/test_dict.py
imports: from collections import OrderedDict
  import numpy
  import pytest
  from gym.spaces import Box, Dict, Discrete
label_desc: Use image node_id 4 for calling a global function with example usage: test_none_seeding() without return types